ISRC BRMCA0500345
Verified recording
BRMCA0500345 is “Dueto” by Chico Buarque,
registered on the CopyrightChains blockchain with CopyrightID
0x3ff2bb46477a3ed893d0295ec664ca2fabde9034ec5ea9179ce5e3e792f8a6ca and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMCA0500345.
Recording identifiers
- ISRC
- BRMCA0500345
- Title
- Dueto
- Artist
- Chico Buarque
- CopyrightID (CopyrightChains transaction hash)
0x3ff2bb46477a3ed893d0295ec664ca2fabde9034ec5ea9179ce5e3e792f8a6ca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:554b462c9bb2770767e92fe77dad03406305bbd5088da5cd789fa7b7e138e479- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMCA0500345
- Bitcoin block existence check
- https://blockstream.info/api/block/956304